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21 Jul 2011Joseph Griesbeck

Express Scripts Inc (ESRX-O) will buy rival Medco Health Solutions (MHS-N), joining together two of the Big 3 pharmacy benefit managers. The $29 billionprice tag consists of cash and stock, but it still needs to gain regulatory approval which may be difficult. Upon completion of the deal, ESRX shareholders willown 59% of the combined company, leaving 41% to MHS holders.

This report identifies the largest institutional investors of both companies.